CVE-2021-21197 : Vulnerability Insights and Analysis

Heap buffer overflow in TabStrip in Google Chrome prior to 89.0.4389.114 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Understanding CVE-2021-21197

This vulnerability, tracked as CVE-2021-21197, affects Google Chrome versions prior to 89.0.4389.114 and allows a remote attacker to trigger a heap buffer overflow in TabStrip.

What is CVE-2021-21197?

CVE-2021-21197 is a heap buffer overflow vulnerability in TabStrip in Google Chrome that could be exploited by a remote attacker through a specially crafted HTML page.

The Impact of CVE-2021-21197

The impact of CVE-2021-21197 is significant as it can lead to remote code execution, potentially compromising the security and integrity of affected systems.

Technical Details of CVE-2021-21197

This section provides more insight into the vulnerability, the affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability lies in a heap buffer overflow in TabStrip in Google Chrome versions prior to 89.0.4389.114, allowing attackers to corrupt the heap through a malicious HTML page.

Affected Systems and Versions

Google Chrome versions before 89.0.4389.114 are impacted by this vulnerability, potentially putting users at risk of exploitation.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by enticing a user to visit a specially crafted HTML page, leading to heap corruption and potential system compromise.

Mitigation and Prevention

To safeguard systems from this vulnerability, it is crucial to take immediate action and implement long-term security practices.

Immediate Steps to Take

Users should update Google Chrome to version 89.0.4389.114 or later to mitigate the risk of exploitation. Additionally, exercise caution when visiting untrusted websites.

Long-Term Security Practices

Maintaining updated software, practicing safe browsing habits, and employing security solutions can help prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates for Google Chrome and apply patches promptly to address known vulnerabilities.